/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
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package edu.ues21.tcs.ecommerce2011.mvc.controller;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import edu.ues21.tcs.ecommerce2011.mvc.model.Usuario;
import edu.ues21.tcs.ecommerce2011.mvc.dao.UsuarioDAO;

/**
 *
 * @author azetaguionbajo & fmanzur
 * Modificado por:
 * v1: Fran: Conexion a la base de datos. 
 */
public class LoginController extends HttpServlet {
   
    /**
	 * 
	 */
		
	private static final long serialVersionUID = 1L;
	
	/** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

    	Integer usuTxt = Integer.parseInt((request.getParameter("user")).trim());
    	String passTxt = request.getParameter("pass"); 

    	ApplicationContext appContext = new ClassPathXmlApplicationContext(
		"BeanLocations.xml");
    	UsuarioDAO uDao = (UsuarioDAO) appContext.getBean("usuarioDAO");
    	
    	Usuario user= new Usuario();
		user = uDao.findByName(usuTxt);
		
    	try {
			if (passTxt.equals(user.getPassword())) {
	        	request.setAttribute("usuario", user);
	        	
	            request.getRequestDispatcher("view/HomeView.jsp").forward(request, response);
			}else{
				//Password Incorrecto
				response.sendRedirect("view/error/ErrorLogin.jsp");
			}
		} catch(NullPointerException e) {
			//No existe el usuario
			  response.sendRedirect("view/error/ErrorLogin.jsp");
		}
		
		
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
